名校
1 . 如图,在正方形
中,
是
延长线上一点,在
上取一点
,使点
关于直线
的对称点
落在
上,连接
交
于点
,连接
交
于点
,连接
.现有下列结论:①
;②
;③
;④若
,
,则
,其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c739e9963cf02f41231643640f45ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12c2e69606394d5496504bacd59262e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0bb7a9f8bef0e61b8fc72f096a79d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afface6e34f75dc6fb982a423c08388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b22535d316cd951e80f9fd31d696ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b83b8c4b032e4334fe13847b7983fd.png)
A.②③④ | B.①②③ | C.①③④ | D.①②④ |
您最近一年使用:0次
2 . 如图,正方形
中,M是边
的中点,N是边
的中点,连接
,
相交于点E,连接
并延长,交
于点F.有以下四个结论:①
;②
平分
;③
;④
.其中正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/767e93fb986501fc3b35e193afdbf454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4452925aed04e8745b4d3b48a971de85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27535974005168f9cc1b09d9e3faab9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a6c02244981d020c431c2f48c534d4.png)
A.4个 | B.3个 | C.2个 | D.1个 |
您最近一年使用:0次
真题
3 . 如图,在正方形
中,点E,F分别为对角线
的三等分点,连接
并延长交
于点G,连接
,若
,则
用含α的代数式表示为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81be7fd9af59fef27fcf46aebb86b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78ab7c4a9bd832b03dd8ea18795db4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b02775a1162ccbb346154f3fe8fea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b821e29fa0cec75ff48ca59747a71cba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 如图,正方形
的边长为3,点E、F分别是边
、
上的点,且
,
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8c79e38a2c0a29c602da3ba62ee6c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 如图所示,点P是正方形
的对角线
上一点,
,垂足分别是E、F.若
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a945d31b8ddb9e34aee8cfd10387f9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565e466d481e662f41f27a15ce794f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80672dda9430cb42b3136bcb1b67bbad.png)
A.6 | B.8 | C.10 | D.14 |
您最近一年使用:0次
6 . 如图,E,F分别是正方形的边
,
上的点,连接
,
,
,
,则下列结论中一定成立的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192155e6a3aade305b76b1eb7c75e30c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 如图,正方形
,
,连接
,
交于点O,并分别与边
,
交于点F,E,连接
,下列结论中正确的结论序号是( )
;②
;③
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cdc346d78b31a196d99e910b39469e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a45db9d2febc48ac747c244729e8927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07432604b65455ef38849d2997e8232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3726949807c41e1bcb61705958b463.png)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次
名校
8 . 如图,正方形
中,
、
分别在
、
上,
,
交
于点
,连结
,
.下列结论:
①
;
②
;
③
;
④
,
分别是
,
的中点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4412d53360eca5a00f1d9925625ce86.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf857e03d4320c999d328fd657c2d412.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783b84ed8d927b77491092f7d2ee2989.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032a2b9d7d169436cdb842be77d2990b.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.②③④ | B.①③④ | C.①②④ | D.①②③ |
您最近一年使用:0次
名校
9 . 如图,点E为正方形
外一点,连接
,连接
并延长,与
的角平分线交于点F,若
,则
的长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d700f72590e1fba2c33d5be8a4295f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfc2771aa0d5b97d2297f8a26a6f6b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc95a5e7a66615a0f38a4f47ee2657f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
A.![]() | B.![]() | C.5 | D.5.5 |
您最近一年使用:0次
10 . 如图,在边长为2的正方形
中,点E,F分别为
边上的动点(不与端点重合),连接
分别交对角线
于点P,Q. 点E,F在运动过程中,始终保持
,连接
. 下列结论:①
;
的周长为4;③
;④若过点B作
,垂足为H,连接
,则
的最小值为
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e545f31f7cc57a31843f5adfd02941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcc2854779def17654dec97c2d97915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83910639ac9ea98d4980fd0820178d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19c9fbb2be3ee47af9c9921b4f717be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d0710321d97361e5782124bbf7f0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5447a70b9197de4d2814c227a33b42fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d580f5d7cbc0ef369a3056cc3b8d0ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd27b64b553f69d1f8f550b9d5b093c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cacfbce303c3aa4f283075b65d44bfc.png)
A.①②③ | B.①②④ | C.②③④ | D.①②③④ |
您最近一年使用:0次